谈石家庄地铁盾构维修通道施工方法

Discussion on the construction method of shield maintenance tunnel in Shijiazhuang metro

盾构法施工因其具有安全、快速、环保等优势在城市地铁施工中发展迅猛,但盾构施工过程中存在发生故障的风险。介绍了石家庄地铁区间盾构维修通道施工方法,由已完工右线区间向左线开挖导洞。维修人员在正洞内进行盾构维修。该方法结合工程实际并充分研究现场施工环境,达到了对故障盾构及时维修的目的。对盾构施工相关技术人员有所参考和借鉴。

Shield construction has the advantages of safety,speed and environmental protection,which develops rapidly in urban subway construction. There is a risk of failure in the process of shield construction. This paper puts forward the construction method of shield maintenance tunnel in Shijiazhuang metro,which excavates the pilot tunnel from the completed right line to the left line. The maintenance personnel carry out shield maintenance in the main tunnel. The construction method combines the engineering practice and fully studies the construction environment on site,so as to achieve the goal of timely maintenance of the fault shield. It can be used for reference for shield construction technicians.